[R] prime in expression in plot

From: Thomas Steiner <finbref.2006_at_gmail.com>
Date: Wed 10 Jan 2007 - 13:15:40 GMT


I want to write something like (LaTeX style) b_{norm}=\frac{F\prime(0)}{R\prime(0)}

how do I add the "prime" (first derivative) to a R-plot? The help of "plotmath" just talks about "partialdiff". Can you complete this command?

text( 30,0.05,labels=expression(b[plain("norm")]==frac(F(0),R(0))) )

Thanks,
Thomas



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